The Bell Z20 MIPS road bicycle helmet has been reviewed by several outlets, with some comparing it to other helmets in terms of safety and performance. The helmet has been tested and ranked by organizations such as GearLab and Virginia Tech, although it is unclear how it fared in these tests. Additionally, a variant of the helmet, the Bell Z20 Aero MIPS, has also been reviewed, with some outlets also discussing other helmets, such as the Smith Optics Trace MIPS and the Bell XR Spherical.